Image display system

Details Image display system Image display system

1981-02-20

1982-12-28

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340711, 364521, G09G 116

Patent

active

043664750

ABSTRACT:
An image display system suitable for use in displaying, at an enlarged scale, any desired portion of an image presented on a picture surface of a display apparatus, or in displaying, in a reduced scale, the whole portion of the image presented on the picture surface. The picture surface is divided into sub-regions arranged in m lines and n columns. Sub-region appointing numeral keys are arranged to correspond to these sub-regions, so that any desired sub-region is appointed by a depression of the corresponding appointing keys, thus designating that to make the image portion in the appointed sub-region be enlarged and displayed over the entire area of the picture surface or that the whole part of the image on the display surface be reduced and displayed in the appointed sub-region of the picture surface.

REFERENCES:
patent: 3668685 (1972-06-01), Horvath
patent: 3786475 (1974-01-01), Staar
patent: 3911420 (1975-10-01), Lampson
patent: 4070710 (1978-01-01), Sukonick et al.
patent: 4107662 (1978-08-01), Endo et al.
Bordogna, Kutenplon; The Raycomp-100 , A Video Page Composition Terminal; Electronic Progress, vol. 18, No. 2, pp. 15-22, Summer 1976.

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